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Q:

Jaikishen can do a piece of work in 15 hours. If he is joined by Jhanvi who is 50% more efficient, in what time will they together finish the work?

A) 6 hours	B) 12 hours
C) 3 hours	D) 9 hours

Answer & Explanation Answer: A) 6 hours

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams

Q:

$If a - b = 6 and ab = 16, then a^{3} - b^{3} is$

A) 504	B) 702
C) 728	D) 511

Answer & Explanation Answer: A) 504

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

A cylindrical vessel of radius 8 cm is partially filled with water. By how much will the water level rise if a sphere of radius 7 cm is completely immersed in this water?

A) 7.15 cm	B) 14.3 cm
C) 21.45 cm	D) 28.6 cm

Answer & Explanation Answer: A) 7.15 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

Expand and simplify ${(2 x + 5)}^{2} * (4 x - 1) - (3 x^{3} - 16 x^{2} + 25 x - 21)$

A) 13x3 + 92x2 - 55x + 4	B) 13x3 - 92x2 - 55x - 4
C) 13x3 + 92x2 + 55x - 4	D) 13x3 - 92x2 + 55x + 4

Answer & Explanation Answer: C) 13x3 + 92x2 + 55x - 4

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

Q:

If 2(5x - 4) - 2 < 2x - 1 < 4x - 2; then the value of x is

A) 1	B) 0
C) -1	D) 2

Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called _______.

A) the axis of rotation	B) the line of rotation
C) the spinning rod	D) the fixed line

Answer & Explanation Answer: A) the axis of rotation

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Filed Under: Physics
Exam Prep: Bank Exams

Q:

Calculate a country's GDP if for the year, consumer spending is $900 million, government spending is $250 million, investment by businesses is $180 million, exports are $85 million and imports are $100 million.